CN109522028A - A kind of installation method and system of operating system - Google Patents

A kind of installation method and system of operating system Download PDF

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Publication number
CN109522028A
CN109522028A CN201811361481.3A CN201811361481A CN109522028A CN 109522028 A CN109522028 A CN 109522028A CN 201811361481 A CN201811361481 A CN 201811361481A CN 109522028 A CN109522028 A CN 109522028A
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file
server
operating system
pxe
linux
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李锋
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Zhengzhou Yunhai Information Technology Co Ltd
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Zhengzhou Yunhai Information Technology Co Ltd
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Priority to CN201811361481.3A priority Critical patent/CN109522028A/en
Publication of CN109522028A publication Critical patent/CN109522028A/en
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    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F9/00Arrangements for program control, e.g. control units
    • G06F9/06Arrangements for program control, e.g. control units using stored programs, i.e. using an internal store of processing equipment to receive or retain programs
    • G06F9/44Arrangements for executing specific programs
    • G06F9/4401Bootstrapping
    • G06F9/4406Loading of operating system
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F8/00Arrangements for software engineering
    • G06F8/60Software deployment
    • G06F8/61Installation
    • G06F8/63Image based installation; Cloning; Build to order

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  • Engineering & Computer Science (AREA)
  • Software Systems (AREA)
  • Theoretical Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Security & Cryptography (AREA)
  • Stored Programmes (AREA)

Abstract

The invention discloses a kind of installation method of operating system and systems, are related to operating system batch mounting technique.The installation method of operating system disclosed by the invention, include: operating system to be installed server receive long-range pre- PXE enabled instruction after carry out PXE network startup, it is loaded onto the memory of book server by PXE network environment by (SuSE) Linux OS is customized, when starting the customization (SuSE) Linux OS, starting is integrated in the BitTorrent client in the customization (SuSE) Linux OS;The server of the operating system to be installed installs downloaded operating system image file by the BitTorrent client, down operation system image file.Server installation operating system can be made more convenient and quick using technical solution of the present invention, improve the installation effectiveness of operating system, really realize quick bare machine batch restocking.

Description

A kind of installation method and system of operating system
Technical field
The present invention relates to operating system batch mounting technique, in particular to a kind of side of efficient bare machine installation operating system Method and system.
Background technique
As information technology develops rapidly and is widely applied, the information technology concept of cloud computing, big data emerges one after another, greatly The data center of scale is also constantly building.Server cluster in large scale brings challenge to operation maintenance personnel.For small rule The server cluster of mould is installed the mode of operating system on time and workload one by one manually in a conventional manner or can be connect It receives, but if operating system installation is carried out in face of large-scale server cluster, even if using PXE (preboot Execute environment, Pre-boot Execution Environment) network installation mode, also due to network load energy power limit and magnetic Disk IO is limited and batch is caused to install slowly.Biggish puzzlement is brought to user, causes the waste of human and material resources.
Summary of the invention
The invention discloses a kind of installation method of operating system and systems, can solve existing high-volume server installation Operating system expends the problem of a large amount of manpower and material resources.
The invention discloses a kind of installation methods of operating system, comprising:
The server of operating system to be installed carries out PXE network startup after receiving long-range PXE enabled instruction, passes through PXE Network environment is loaded onto (SuSE) Linux OS is customized in the memory of book server, and starts customization Linux operation system When system, starting is integrated in BitTorrent (bit stream) client in the customization (SuSE) Linux OS;
The server of the operating system to be installed passes through the BitTorrent client, down operation system image text Part installs downloaded operating system image file.
Optionally, in the above method, the server of the operating system to be installed by the BitTorrent client, Down operation system image file includes:
The BitTorrent client that the server of the operating system to be installed is started is to BitTorrent server The seed file of requested transfer operations system image file;
The server of operating system to be installed gets the BitTorrent server transfer operation system image file Seed file after, obtain download address from the seed file, pass through the download address and download the operating system mirror As file.
Optionally, in the above method, the server of the operating system to be installed obtains down from the seed file Set address includes:
The BitTorrent server side download address or BitTorrent server side download address and other just In the client address of downloading.
Optionally, in the above method, the downloaded operating system image file of the installation includes:
After the server of the operating system to be installed obtains operating system image file, obtained from the PXE network The configuration file and system installation parameter for installing operating system install the behaviour according to the configuration file and system installation parameter Make system image file.
Optionally, in the above method, the server of the operating system to be installed will be customized by PXE network environment (SuSE) Linux OS is loaded onto the process in the memory of book server, comprising:
The server of the operating system to be installed initiates IP address request to PXE network, receives and dynamically leads in PXE network Clothes where protocol DHCP server requests the IP address information of feedback, specifies PXE startup file for the IP address are arranged in machine The address of business device and the information of PXE startup file;
The server of the operating system to be installed IP address information, specified PXE startup file institute based on the received In the address of server and the information of PXE startup file, into PXE network, the request of Simple File Transfer Protocol tftp server is passed It send and customizes (SuSE) Linux OS file, the customization (SuSE) Linux OS file includes PXE startup file, PXE guidance Configuration file, linux kernel file vmlinuz and System startup files initrd.img;
The server of the operating system to be installed receives the customization (SuSE) Linux OS file, and it is described fixed to execute PXE startup file in inhibition and generation (SuSE) Linux OS file is configured according to the PXE boot configuration file, later by institute It states linux kernel file vmlinuz and System startup files initrd.img is loaded into the memory of book server.
There is disclosed herein a kind of installation systems of operating system, including memory and processor, in which:
The memory, for saving the installation procedure of operating system;
The processor is performed the following operations for reading the installation procedure for executing the operating system:
PXE network startup is carried out after receiving long-range PXE enabled instruction, Linux behaviour will be customized by PXE network environment Make system loads into the memory of book server, when starting the customization (SuSE) Linux OS, starting is integrated in the customization Change the BitTorrent client in (SuSE) Linux OS;
By the BitTorrent client started, down operation system image file installs downloaded operation system System image file.
Optionally, in above system, the processor, the BitTorrent client downloads by being started are operated The process of system image file, comprising:
By the BitTorrent client of starting to BitTorrent server requested transfer operations system image file Seed file;
After the seed file for getting the BitTorrent server transfer operation system image file, from the seed Download address is obtained in file, and the operating system image file is downloaded by the download address.
Optionally, in above system, the server of the operating system to be installed obtains down from the seed file Set address includes:
The BitTorrent server side download address or the BitTorrent server side download address and its The client address that he is downloading.
Optionally, in above system, the process of the downloaded operating system image file of the installation, comprising:
After obtaining operating system image file, the configuration file of installation operating system is obtained from the PXE network and is System installation parameter installs the operating system image file according to the configuration file and system installation parameter.
Optionally, described that this clothes is loaded onto for (SuSE) Linux OS is customized by PXE network environment in above system The process being engaged in the memory of device, comprising:
IP address request is initiated to PXE network, DynamicHost setting protocol DHCP server in PXE network is received and is directed to institute State IP address information, the specified PXE startup file place address of server and the letter of PXE startup file of IP address request feedback Breath;
The address of server and PXE startup file where IP address information, specified PXE startup file based on the received Information, into PXE network Simple File Transfer Protocol tftp server request transmission customize (SuSE) Linux OS file, The customization (SuSE) Linux OS file includes PXE startup file, PXE boot configuration file, linux kernel file Vmlinuz and System startup files initrd.img;
The customization (SuSE) Linux OS file is received, is executed in the customization (SuSE) Linux OS file PXE startup file is configured according to the PXE boot configuration file, later by the linux kernel file vmlinuz and System startup files initrd.img is loaded into the memory of book server.
Server installation operating system can be made more convenient and quick using technical solution of the present invention, made original several days Workload is reduced within a few houres and completes, and substantially increases the installation effectiveness of operating system, really realizes quick bare machine batch Restocking.
Detailed description of the invention
Fig. 1 is the flow diagram of batch installing operating system in the embodiment of the present invention.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below in conjunction with specific embodiment pair Technical solution of the present invention is described in further detail.It should be noted that in the absence of conflict, embodiments herein and Feature in embodiment can be arbitrarily combined with each other.
Embodiment 1
It, can be original aiming at the problem that existing high-volume server installation operating system expends a large amount of manpower and material resources PXE technically introduces P2P technology, to improve the distribution efficiency of operating system mirror image, makes full use of network bandwidth, really realizes fast Fast bare machine batch restocking.
Based on above-mentioned thought, the present embodiment provides a kind of installation method of operating system, main includes following operation:
The server of operating system to be installed carries out PXE network startup after receiving long-range PXE enabled instruction;
The server of operating system to be installed is loaded onto (SuSE) Linux OS is customized wait pacify by PXE network environment In the memory for filling the server of operating system;
When the server of operating system to be installed starts the customization (SuSE) Linux OS, while starting is integrated in institute State the BitTorrent client customized in (SuSE) Linux OS;
The server of operating system to be installed requests BitTorrent server-side by the BitTorrent client of starting Seed file is provided to download operating system image file, downloaded operating system image file is installed and completes operating system Installation.
Wherein, the server of operating system to be installed passes through BitTorrent server-side as BitTorrent client The process of the seed file down operation system image file of offer may include:
The server of operating system to be installed requests to transmit as BitTorrent client to BitTorrent server The seed file of operating system image file;
The server of operating system to be installed gets the BitTorrent server transfer operation system image file Seed file after, obtain download address from the seed file, pass through the download address and download the operating system mirror As file.
Wherein, system kind of the server from BitTorrent server transfer operation system image file of operation system to be installed The download address obtained in subfile may include the download address of BitTorrent server side, also may include The download address of BitTorrent server side is downloading the BitTorrent visitor of the operating system image file with other The address at family end.In this way, the server of operating system to be installed can take as BitTorrent client from BitTorrent Business end and BitTorrent client synchronization down operation system image file fill to achieve the effect that efficient data transfer Divide and utilizes network bandwidth.
In addition, the server of operating system to be installed, which installs downloaded operating system image file, completes operating system During installation, after the server of operating system to be installed obtains operating system image file, it can be obtained from PXE network The configuration file and system installation parameter for installing operating system have been downloaded according still further to configuration file and the installation of system installation parameter Operating system image file, to complete the unattended installation of operating system.
(SuSE) Linux OS is customized involved in the above method, can be the Linux internal memory operation by customization System can be loaded into memory direct operation by network startup, not depend on hard disk, can directly carry and operate on hard disk Data.And in the present embodiment, customizing integrated BitTorrent client in (SuSE) Linux OS can be used for passing through The seed high-speed downloads operating system mirror image that BitTorrent server-side provides.
For the implementation of the above method, the embodiment of the present invention also proposes a kind of achievable aforesaid operations system installation method System architecture.The system architecture includes Operating System Installation Management center, and PXE server-side customizes (SuSE) Linux OS The server of BitTorrent server-side and operating system to be installed.
Wherein, system installs administrative center, is mainly responsible for the Server remote PXE starting of operating system to be installed, utilizes PXE network environment starts on the server customizes (SuSE) Linux OS, and then starts BitTorrent visitor in memory system Family end.Operating System Installation Management can be reported to for implementation progress in whole operation system installation process by customizing memory system Center, user can be with each server installation progress of real time inspection and results.I.e. in the above method, the clothes of operating system to be installed The long-range PXE enabled instruction that receives of business device, which can be, to be received from system installation administrative center.
PXE server-side is the network foundation of the above method.PXE is the state-of-the-art technology developed by Intel Company, is worked in The network mode of Client/Server, PXE server-side include DHCP (Dynamic Host Configuration Agreement is arranged in Protocol, DynamicHost) server, TFTP (Trivial File Transfer Protocol, simple files Transport protocol) server.It supports server to download linux kernel image from remote server by network, and thus supports logical Network startup operating system is crossed, during startup, server requirement Dynamic Host Configuration Protocol server distributes IP address, then under TFTP agreement It carries a starting software package to execute into local memory, the setting of terminal basic software is completed by this starting software package, to draw Lead the starting for customizing internal memory operation system.I.e. in the above method, the server of operating system to be installed passes through this PXE server-side It downloads and loads customization (SuSE) Linux OS.Wherein, the customization (SuSE) Linux OS being referred to herein is by customization The Linux internal memory operation system of change, direct operation can be loaded into memory by network startup, does not depend on hard disk, it is possible to Direct carry simultaneously operates the data on hard disk.It customizes and integrates BitTorrent client in Linux memory for passing through The seed high-speed downloads operating system mirror image that BitTorrent server-side provides.
BitTorrent server-side provides P2P high speed download service based on the server-side of P2P technology.House operation system System mirror image and the seed made based on the operating system mirror image.Seed is supplied to BitTorrent client, under high speed Carry operating system mirror image.I.e. in the above method, the server of operating system to be installed passes through BitTorrent server-side downloading behaviour Make system image file.In optional embodiment, while BitTorrent client obtains download address in seed, BitTorrent server-side can also provide other client address downloaded, in this way, BitTorrent client can be from BitTorrent server-side and the downloading of BitTorrent client synchronization, achieve the effect that efficient data transfer.
The server of operating system to be installed belongs to the server cluster of data center.
In a kind of illustrative example, the installment work process of operating system is carried out according to the method described above as shown in Figure 1, packet Include following operating procedure:
S1, Operating System Installation Management center sends PXE enabled instruction to the server of operating system to be installed, to be installed The server of operating system carries out PXE network startup according to the PXE enabled instruction received.
S2, the server (PXE client) of operating system to be installed issue IP to entire local area network in the form of broadcast Location request.
S3, Dynamic Host Configuration Protocol server (Dynamic Host Configuration Protocol server being equivalent in PXE server-side) are judged as conjunction after receiving IP address request Method request, then return IP, gateway, subnet mask etc. (can be collectively referred to as IP address information), and service where specified PXE startup file The address of device and PXE startup file.
S4, the server of operating system to be installed to tftp server (be equivalent to the tftp server in PXE server-side, Tftp server involved in subsequent step is equivalent to the tftp server in PXE server-side) request transmission PXE startup file pxelinux.0。
S5, tftp server send PXE startup file pxelinux.0 to the server of operating system to be installed.
The server of S6, operating system to be installed execute PXE startup file pxelinux.0.
The server of S7, operating system to be installed request transmission PXE boot configuration file to tftp server.
S8, tftp server send PXE boot configuration file to the server of operating system to be installed.
S9, the server of operating system to be installed read the PXE boot configuration file received.
S10, the server of operating system to be installed to tftp server request transmission linux kernel file vmlinuz and System startup files initrd.img.
S11, tftp server send linux kernel file vmlinuz and system to the server of operating system to be installed Startup file initrd.img.
S12, the server load linux kernel file vmlinuz and System startup files of operating system to be installed Initrd.img completes the starting for customizing (SuSE) Linux OS into memory, and starts BitTorrent client (wherein BitTorrent client, which is integrated in, to be customized in (SuSE) Linux OS).
The server of S13, operating system to be installed are requested as BitTorrent client to BitTorrent server The seed file of transfer operation system image file.
S14, the server of operating system to be installed is got as BitTorrent client execute after seed file under Load task;
Optionally, when BitTorrent server-side provides downloading location for BitTorrent client, other can also be provided The client address downloaded.That is the download address that obtains in seed file of BitTorrent client may include BitTorrent services the download address of end side, also may include that BitTorrent services the download address of end side and downloading Client address.In this way, the server of operating system to be installed can also be from as BitTorrent client BitTorrent server-side and the downloading of BitTorrent client synchronization, achieve the effect that efficient data transfer, thus sufficiently benefit Use network bandwidth.
S15, after server acquisition operating system image file (such as Linux image file) of operating system to be installed again The configuration file and system installation parameter that installation operating system is obtained from PXE server-side, complete the unattended peace of operating system Dress.
Embodiment 2
The present embodiment provides a kind of installation systems of operating system, including memory and processor, in which:
The memory, for saving the installation procedure of operating system;
The processor is performed the following operations for reading the installation procedure for executing the operating system:
PXE network startup is carried out after receiving long-range PXE enabled instruction, Linux behaviour will be customized by PXE network environment Make system loads into the memory of the server of operating system to be installed, when starting the customization (SuSE) Linux OS, starting The BitTorrent client being integrated in the customization (SuSE) Linux OS;
By the BitTorrent client downloads operating system image file started, downloaded operating system is installed The installation of image file completion operating system.
Wherein, it by the BitTorrent client started, can request to provide seed to BitTorrent server-side For file to download operating system image file, which can refer to following operation:
To the seed file of BitTorrent server requested transfer operations system image file;
After the seed file for getting the BitTorrent server transfer operation system image file, from the seed Middle acquisition download address downloads the operating system image file by the download address.
Furthermore, it is contemplated that the effect of data transmission can be improved, make full use of Netowrk tape on the basis of above system It is wide.Therefore, in some instances, kind Ziwen of the above-mentioned processor from BitTorrent server transfer operation system image file The download address obtained in part may include the download address of BitTorrent server side, also may include BitTorrent clothes The download address of business device side is downloading the address of the BitTorrent client of the operating system image file with other.
In a kind of illustrative examples, above-mentioned processor installs downloaded operating system image file and completes operating system The process of installation can be realized with reference to following operation:
After obtaining operating system image file, the configuration file and system peace of installation operating system are obtained from PXE network Parameter is filled, the operating system image file is installed according to the configuration file and system installation parameter, completes operating system Installation.
Customization (SuSE) Linux OS involved in this embodiment can be the Linux internal memory operation by customization System can be loaded into memory direct operation by network startup, not depend on hard disk, can directly carry and operate on hard disk Data.And in the present embodiment, customizing integrated BitTorrent client in (SuSE) Linux OS can be used for passing through The seed high-speed downloads operating system mirror image that BitTorrent server-side provides.
From above-described embodiment as can be seen that technical scheme can be applied on the bare machine batch of large-scale data center Frame is related to a kind of efficient bare machine installation operating system scheme.Using network installation PXE technology and P2P technology, bare machine batch is realized Buret reason, operating system mirror image batch are distributed, unattended automatic installation function.Bare machine client is guided to open by PXE technology Dynamic customization PXE client, PXE client terminal start-up P2P client (Bittorrent), high-speed downloads operating system mirror image fill Divide and utilize network bandwidth, solves previous and limited from the limitation of the network of single file server downloading data, disk I/O, thus Realize that real operating system batch is installed.
Those of ordinary skill in the art will appreciate that all or part of the steps in the above method can be instructed by program Related hardware is completed, and described program can store in computer readable storage medium, such as read-only memory, disk or CD Deng.Optionally, one or more integrated circuits can be used also to realize in all or part of the steps of above-described embodiment.Accordingly Ground, each module/unit in above-described embodiment can take the form of hardware realization, can also use the shape of software function module Formula is realized.The application is not limited to the combination of the hardware and software of any particular form.
The above, preferred embodiments only of the invention, is not intended to limit the scope of the present invention.It is all this Within the spirit and principle of invention, any modification, equivalent substitution, improvement and etc. done should be included in protection model of the invention Within enclosing.

Claims (10)

1. a kind of installation method of operating system characterized by comprising
Progress PXE network opens after the server of operating system to be installed receives long-range Pre-boot Execution Environment PXE enabled instruction It is dynamic, it is loaded onto the memory of book server by PXE network environment by (SuSE) Linux OS is customized, starts the customization When (SuSE) Linux OS, starting is integrated in the bit stream BitTorrent client in the customization (SuSE) Linux OS;
The server of the operating system to be installed is by the BitTorrent client, down operation system image file, Downloaded operating system image file is installed.
2. the method as described in claim 1, which is characterized in that the server of the operating system to be installed passes through described BitTorrent client, down operation system image file include:
The BitTorrent client that the server of the operating system to be installed is started is requested to BitTorrent server The seed file of transfer operation system image file;
The server of operating system to be installed gets the kind of the BitTorrent server transfer operation system image file After subfile, download address is obtained from the seed file, the operating system mirror image text is downloaded by the download address Part.
3. method according to claim 2, which is characterized in that the server of the operating system to be installed is from described kind of Ziwen The download address obtained in part includes:
The BitTorrent server side download address or BitTorrent server side download address and other under The client address of load.
4. method as claimed in claim 2 or claim 3, which is characterized in that the downloaded operating system image file packet of the installation It includes:
After the server of the operating system to be installed obtains operating system image file, installation is obtained from the PXE network The configuration file and system installation parameter of operating system, installing the operation according to the configuration file and system installation parameter is System image file.
5. method as claimed in claim 4, which is characterized in that the server of the operating system to be installed passes through PXE network Environment is loaded onto the process in the memory of book server for (SuSE) Linux OS is customized, comprising:
The server of the operating system to be installed initiates IP address request to PXE network, receives DynamicHost in PXE network and sets Set IP address information, the specified PXE startup file place server that protocol DHCP server is fed back for IP address request Address and PXE startup file information;
IP address information, specified PXE startup file place take the server of the operating system to be installed based on the received The address of business device and the information of PXE startup file, into PXE network, Simple File Transfer Protocol tftp server request transmission is fixed Inhibition and generation (SuSE) Linux OS file, the customization (SuSE) Linux OS file include PXE startup file, PXE boot configuration File, linux kernel file vmlinuz and System startup files initrd.img;
The server of the operating system to be installed receives the customization (SuSE) Linux OS file, executes the customization PXE startup file in (SuSE) Linux OS file is configured according to the PXE boot configuration file, later will be described Linux kernel file vmlinuz and System startup files initrd.img are loaded into the memory of book server.
6. a kind of installation system of operating system, which is characterized in that including memory and processor, in which:
The memory, for saving the installation procedure of operating system;
The processor is performed the following operations for reading the installation procedure for executing the operating system:
PXE network startup is carried out after receiving long-range PXE enabled instruction, Linux operation system will be customized by PXE network environment System is loaded onto the memory of book server, and when starting the customization (SuSE) Linux OS, starting is integrated in the customization Bit stream BitTorrent client in (SuSE) Linux OS;
By the BitTorrent client started, down operation system image file installs downloaded operating system mirror As file.
7. system as claimed in claim 8, which is characterized in that the processor, the BitTorrent by being started The process of client downloads operating system image file, comprising:
By the BitTorrent client of starting to the kind of BitTorrent server requested transfer operations system image file Subfile;
After the seed file for getting the BitTorrent server transfer operation system image file, from the seed file Middle acquisition download address downloads the operating system image file by the download address.
8. system as claimed in claim 7, which is characterized in that the server of the operating system to be installed is from described kind of Ziwen The download address obtained in part includes:
The BitTorrent server side download address or the BitTorrent server side download address and other just In the client address of downloading.
9. system as claimed in claim 7 or 8, which is characterized in that the downloaded operating system image file of the installation Process, comprising:
After obtaining operating system image file, the configuration file and system peace of installation operating system are obtained from the PXE network Parameter is filled, the operating system image file is installed according to the configuration file and system installation parameter.
10. system as claimed in claim 9, which is characterized in that described to customize Linux operation by PXE network environment Process of the system loads into the memory of book server, comprising:
IP address request is initiated to PXE network, DynamicHost setting protocol DHCP server in PXE network is received and is directed to the IP The address of server and the information of PXE startup file where the IP address information of Address requests feedback, specified PXE startup file;
The address of server and the letter of PXE startup file where IP address information, specified PXE startup file based on the received Breath, into PXE network, Simple File Transfer Protocol tftp server request transmission customizes (SuSE) Linux OS file, described Customize (SuSE) Linux OS file include PXE startup file, PXE boot configuration file, linux kernel file vmlinuz and System startup files initrd.img;
The customization (SuSE) Linux OS file is received, the PXE customized in (SuSE) Linux OS file is executed and opens Dynamic file, is configured according to the PXE boot configuration file, later opens the linux kernel file vmlinuz and system Dynamic file initrd.img is loaded into the memory of book server.
CN201811361481.3A 2018-11-15 2018-11-15 A kind of installation method and system of operating system Pending CN109522028A (en)

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CN112256288A (en) * 2020-10-23 2021-01-22 苏州浪潮智能科技有限公司 Linux system batch installation method, device and medium
CN113064602A (en) * 2021-03-08 2021-07-02 山东英信计算机技术有限公司 Method, system and medium for filling operation system based on NFS
CN114070841A (en) * 2021-09-29 2022-02-18 浪潮软件科技有限公司 Server filling method, device, equipment and product
CN114546504A (en) * 2022-02-21 2022-05-27 联想开天科技有限公司 Automatic filling operation method and system based on LiveCD system and storage medium

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